WebCore caches most redirects, so we don't get resource loader delegates if one happens to be cached (most noticeable when running tests with --repeat-each).
Created attachment 208461 [details] proposed patch
Comment on attachment 208461 [details] proposed patch Clearing flags on attachment: 208461 Committed r153915: <http://trac.webkit.org/changeset/153915>
All reviewed patches have been landed. Closing bug.